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Brazil
Minas Centrais Complex (Southeastern System)

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 Location:
6 km W from Rio Piracicaba, Brazil

  Address:
Praça Maria do Rosario, s/n - Centro
Rio Piracicaba
Brazil
35940-000
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WebsiteWeb
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  • Overview
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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Iron Ore
Mining Method
  • Truck & Shovel / Loader
Production Start...
Mine Life2061
Minas Centrais integrated operation includes Brucutu and Morro Agudo mines, Apolo project with two major beneficiation plants and one secondary plant.


Owners

Source: p. 47
CompanyInterestOwnership
Vale S.A. 98.7 % Indirect

Contractors

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Deposit Type

  • Banded iron formation


Summary:

The Minas Centrais Complex includes the northern portion of the Quadrilatero Ferrifero (Iron Quadrangle), due east from the city of Belo Horizonte. It includes three NE-SW trending branches of the Formacion Ferrifera outcroppings, with a projected total extension of approximately 115 kilometers. The main branch, over 60 kilometers long, holds the deposits of Brucutu in the northern portion, Gongo Soco in the central part, and the Maquine project in the southern extension. The Bau deposit is located in the middle branch of the Formacion Ferrifera outcroppings, which represents a folded extension of the main branch. The Agua Limpa f Cururu mine is enclosed by an independent branch of the Formacion Ferrifera outcroppings, to the east of the Complex area.

Ore reserves with high ratios of itabirite ore relative to hematite ore type. Itabirite ore has iron grade of 35-60%.

The Quadrilátero Ferrífero (QF) comprises an area of about 7000 km2 and hosts one of the largest concentrations of lateritic iron-ore deposits in the world. The QF is located in central Minas Gerais state, southeastern region of Brazil (Dorr, 1965). The QF has a quadrangular shape due to the dome and basin structures of the Minas Supergroup. Most of the iron ore in the QF are hosted in the oxidized, metamorphosed and heterogeneously deformed Banded Iron Formations (BIFs) of the Cauê Formation, the so-called itabirites. The BIFs are altered sedimentary deposits with laminated rocks formed by ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

Mariana mining complex is located at Iron Quadrangle region, State of Minas Gerais in Brazil and comprises two mines, with two major beneficiation plants and one secondary plant.

Open pit mining is conducted via conventional truck and shovel mining method. Extracted ore has a high ratios of itabirite ore relative to hematite ore type. Itabirite ore type has iron grade of 35-60%. Part of the ore is concentrated to achieve shipping grade and part is shipped and blended in Asia with the high-grade ore from our Northern System.


Crushing and Grinding


Processing

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Summary:

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Production:

CommodityUnits202120202019201820172016
Iron Ore kt  ......  Subscription required  ......  Subscription required  ......  Subscription required36,00037,60040,900
All production numbers are expressed as concentrate.
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Reserves at December 31, 2021:

CategoryTonnage CommodityGrade
Proven 441.6 Mt Iron 42.6 %
Probable 932 Mt Iron 50.7 %
Proven & Probable 1,374 Mt Iron 48.1 %
Measured 195.6 Mt Iron 46.4 %
Indicated 579.7 Mt Iron 44.4 %
Measured & Indicated 775.4 Mt Iron 44.9 %
Inferred 885 Mt Iron 43 %


Pipelines
TypeMaterialDiameterLengthDescription


Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jun 6, 2022
....................... Subscription required ....................... Subscription required Subscription required Jun 6, 2022
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Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2019
Form 20-F 2018
Form 20-F 2017
Form 20-F 2016
Form 20-F 2015
Form 20-F 2014
Other 2014
Technical Report 2009
Technical Report 2005
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